G2 15-25 by Rock Island

1929 - 1932

1929 - 1932 Standard-tread tractor

Production

Production Manufacturer:Rock Island
Type:Standard-tread tractor
Factory:Rock Island, Illinois, USA

Rock Island G2 15-25 Power

Rock Island G2 15-25 Power Drawbar (claimed):15 hp
11.2 kW
Belt (claimed):25 hp
18.6 kW
Drawbar (tested):25.50 hp
19.0 kW
Belt (tested):35.69 hp
26.6 kW
power test details ...

1929 - 1932

1929 - 1932
Standard-tread tractor

Nebraska Tractor Test 157

Nebraska Tractor Test 157

Nebraska Tractor Test 157

Nebraska Tractor Test 157
Kerosene 2-speed 2WD
April 24 - May 3, 1929
Link: Nebraska Tractor Test 157 file
Belt power (max):29.00 hp
21.6 kW
Belt fuel use (max):3.6 gal/hour
13.6 l/hour
Drawbar performance
Max power:22.08 hp
16.5 kW
Max pull:2,880 lbs
1306 kg

Nebraska Tractor Test 158

Nebraska Tractor Test 158

Nebraska Tractor Test 158

Nebraska Tractor Test 158
Gasoline 2-speed 2WD
May 4 - 8, 1929
Link: Nebraska Tractor Test 158 file
Belt power (max):35.69 hp
26.6 kW
Belt fuel use (max):3.9 gal/hour
14.8 l/hour
Drawbar performance
Max power:25.50 hp
19.0 kW
Max pull:3,549 lbs
1609 kg

Rock Island G2 15-25 Engine

Rock Island G2 15-25 Engine Waukesha 5.3L 4-cyl kerosene Fuel tank:21 gal
79.5 L
Aux. fuel:3.5 gal
13.2 L
Engine details ...

1929 - 1932

1929 - 1932
Standard-tread tractor

Engine Detail

Engine Detail
Waukesha
kerosene
4-cylinder
liquid-cooled
Displacement:326 ci
5.3 L
Bore/Stroke:4.25x5.75 inches
108 x 146 mm
Rated RPM:1100

Mechanical

Mechanical Chassis:4x2 2WD
Steering:manual
Cab:Open operator station.
Transmission:2-speed unsynchronized gear
Transmission details ...

1929 - 1932

1929 - 1932
Standard-tread tractor

Transmission

Transmission
Type:unsynchronized gear
Gears:2 forward and 1 reverse

Speeds

Speeds

Dimensions & Tires

Dimensions & Tires Weight:4,200 lbs
1905 kg
Full dimensions and tires ...

1929 - 1932

1929 - 1932
Standard-tread tractor

Rock Island G2 15-25 Tires

Rock Island G2 15-25 Tires

Dimensions

Dimensions
Weight:4,200 lbs
1905 kg

External Links

External Links G2 restoration site: G2 at RIPC site:

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